Depending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.
To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.
Recommend to read
DRILL-MACHINE
This compact machine on the basis of drills is intended for wood and plastics. It allows you to cut bruski, boards, plywood, plexiglass and the PCB, cut the slats and shaped plank,...
CHINESE FURNITURE FOR KITCHEN
Buying a kitchen is an important task and even more complex and expensive than the arrangement of other rooms in your home. Why? In the case of the appliances and technology that will...
